If the Union was formed by accession of States then the Union may be dissolved by the secession of States.
Daniel WebsterIf all my possessions were taken from me with one exception, I would choose to keep the power of communication, for by it I would soon regain all the rest
Daniel WebsterOn this question of principle, while actual suffering was yet afar off, they [the Colonies] raised their flag against a power to which, for purposes of foreign conquest and subjugation, Rome in the height of her glory is not to be compared,-a power which has dotted over the surface of the whole globe with her possessions and military posts, whose morning drum-beat, following the sun, and keeping company with the hours, circles the earth with one continuous and unbroken strain of the martial airs of England.
Daniel Webster